1440004051 has 2 divisors, whose sum is σ = 1440004052. Its totient is φ = 1440004050.

The previous prime is 1440003979. The next prime is 1440004061. The reversal of 1440004051 is 1504000441.

It is a strong prime.

It is an emirp because it is prime and its reverse (1504000441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1440004051 - 2¹⁵ = 1439971283 is a prime.

It is a super-2 number, since 2×1440004051² = 4147223333792821202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1440004061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720002025 + 720002026.

It is an arithmetic number, because the mean of its divisors is an integer number (720002026).

Almost surely, 2^1440004051 is an apocalyptic number.

1440004051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440004051 is an equidigital number, since it uses as much as digits as its factorization.

1440004051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1440004051 is about 37947.3852985947. The cubic root of 1440004051 is about 1129.2442935832.

Adding to 1440004051 its reverse (1504000441), we get a palindrome (2944004492).

The spelling of 1440004051 in words is "one billion, four hundred forty million, four thousand, fifty-one".